RANKING · 2020 CENSUS · 50 SHOWN OF 50

Largest Peruvian population, California counties · 2020

California counties ranked by the number of residents who are Peruvian origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 50 counties in California that qualify, ranked against each other statewide.

Peruvian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPERUVIAN POPULATIONVS 2010

01Los Angeles County, CACA9,694,93437,247+11%

02Orange County, CACA3,149,5079,072+2%

03Contra Costa County, CACA1,170,0707,893+53%

04San Bernardino County, CACA2,224,0916,653+46%

05San Mateo County, CACA743,5686,384+45%

06Riverside County, CACA2,544,9166,235+47%

07San Diego County, CACA3,282,2486,034+91%

08Santa Clara County, CACA1,914,3915,586+19%

09Alameda County, CACA1,636,6304,725+24%

10San Francisco County, CACA826,0794,297+63%

11Sacramento County, CACA1,618,4601,982+18%

12Ventura County, CACA830,8511,938+1%

13Marin County, CACA253,6941,628+145%

14Solano County, CACA455,3761,043+28%

15San Joaquin County, CACA823,815911−22%

16Sonoma County, CACA486,444818+74%

17Placer County, CACA442,081782+327%

18Kern County, CACA927,068759+39%

19Stanislaus County, CACA557,719687+20%

20Fresno County, CACA1,035,456669−12%

21Santa Barbara County, CACA442,065644+24%

22Monterey County, CACA433,729516−2%

23Tulare County, CACA485,146489+209%

24Yolo County, CACA224,410480+120%

25Humboldt County, CACA131,647388+4750%

26Santa Cruz County, CACA258,852371−51%

27El Dorado County, CACA192,323348+988%

28Napa County, CACA132,949291+101%

29Shasta County, CACA181,648198+281%

30Merced County, CACA297,260192−20%

31San Luis Obispo County, CACA282,367159−50%

32San Benito County, CACA70,082135+13%

33Butte County, CACA209,211116−38%

34Amador County, CACA41,876105–

35Tuolumne County, CACA53,16061–

36Nevada County, CACA101,91138−12%

37Kings County, CACA154,32726−50%

38Calaveras County, CACA46,60524–

39Imperial County, CACA181,41122−86%

40Modoc County, CACA8,42616–

41Madera County, CACA167,92715−44%

42Yuba County, CACA88,69115+36%

43Mendocino County, CACA88,12214−62%

44Siskiyou County, CACA42,01312+33%

45Mariposa County, CACA16,9188–

46Lake County, CACA67,7728−43%

47Sutter County, CACA98,7877−74%

48Glenn County, CACA28,1416–

49Plumas County, CACA18,5835–

50Mono County, CACA12,5051–

SHOWING 1–50 OF 50

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS